# Rotating Knife Target vs Digit Riddles

The clearest difference is in-app purchases: Rotating Knife Target at none against Digit Riddles's 1. Rotating Knife Target also leads on ads (none vs shown) and update cadence (every 6 days vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Digit Riddles sells 1 in-app purchase, starting at $9.99 per 7 days. Rotating Knife Target asks for nothing beyond the download.

Rotating Knife Target ships an update every 6 days, Digit Riddles every 2 months. The most recent releases landed on October 19, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Rotating Knife Target | Digit Riddles |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 2 months |
| Size | 52 MB | 34 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [青 胡](https://appshunter.io/developer/1853993509) | [虹 文](https://appshunter.io/developer/1875789905) |

## What reviewers say

### Rotating Knife Target

[App page](https://appshunter.io/ios/app/rotating-knife-target/id6756290296)

**Features:** macOS Compatibility

**In-app purchases:** none


### Digit Riddles

[App page](https://appshunter.io/ios/app/digit-riddles/id6757625645)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| vip weekly | $9.99 | per 7 days |


## Frequently asked questions

### Is Rotating Knife Target free?

Rotating Knife Target is free to download, with no in-app purchases.

### Is Digit Riddles free?

Digit Riddles is free to download, with in-app purchases available.

### Do Rotating Knife Target or Digit Riddles have ads?

Digit Riddles shows ads; Rotating Knife Target does not.

### Which is updated more often, Rotating Knife Target or Digit Riddles?

Rotating Knife Target ships an update every 6 days, and Digit Riddles every 2 months. Most recently, Rotating Knife Target was updated on October 19, 2026 and Digit Riddles on September 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*